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Finding the Fourth Proportional to 570,237.84, 786,843.53 and 346,346.72

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Solution

The fourth proportional to 570,237.84, 786,843.53 and 346,346.72 is: 477,907.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,237.84 : 786,843.53 = 346,346.72 : x
  2. Step 2: Convert to fraction form
    570,237.84/786,843.53 = 346,346.72/x
  3. Step 3: Cross multiply
    570,237.84x = 786,843.53 × 346,346.72
  4. Step 4: Simplify right side
    570,237.84x = 272,520,676,300.43
  5. Step 5: Solve for x
    x = 272,520,676,300.43/570,237.84
  6. Step 6: Final answer
    x = 477,907.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.